noun
Fuegian steamer duck; Magellanic flightless steamer duck
A large flightless duck native to southern South America. Scientific name: Tachyeres pteneres.
オオフナガモは飛べないカモの一種です。
The Fuegian steamer duck is a type of flightless duck.
Compound of 大 (おお, 'large') + 舟 (ふな, 'boat') + 鴨 (かも, 'duck'), referring to its large size and steamer-like paddling behavior. The exact derivation is uncertain.